.calendar{
  width: 500px;
  height: 418px;
  background-color:#686965;
  margin: auto;
}
.button{
  position: absolute;
  left: 500px;
}
.btn{
  width: 500px;
  margin: auto;
  background-color: bisque;
}
span{
  width: 500px;
}
.month{
  font-size: 30px;
  color: red;
  margin: auto;
  text-align: center;
}
.calendar li{
  float: left;
  color:orange;
  width: 69px;
  height: 60px;
  font-size: 50px;
  border-style:solid;
  border-width: 1px;
  border-color: yellow;
  text-align: center;
  line-height: 60px;
}
.week li{
  color: rgb(255, 0, 98);
}
.today{
  background-color: rgba(206, 42, 91, 0.5);
  transition: 0.5;
}